# SiriusXM Radio Help Center

- [SiriusXM Help Center](https://siriusxmradiohelpcenter.mintlify.app/index.md): Find answers to setup, listening, billing, and troubleshooting questions for SiriusXM satellite radio and streaming. Get support or browse popular articles.
- [Activate your SiriusXM radio and start listening](https://siriusxmradiohelpcenter.mintlify.app/quickstart.md): Get your SiriusXM radio or streaming account set up in minutes. Find your Radio ID, pick a plan, refresh your signal, and start listening.
- [Listen to SiriusXM in Your Car](https://siriusxmradiohelpcenter.mintlify.app/listening/car-radio.md): Learn how to find channels, save presets, activate a trial in a new or used car, and transfer your SiriusXM subscription when you change vehicles.
- [Stream SiriusXM on the app, web, and smart devices](https://siriusxmradiohelpcenter.mintlify.app/listening/streaming-app.md): Stream SiriusXM on iOS, Android, web, smart speakers, and TVs. Learn how to sign in, download for offline listening, and manage favorites.
- [SiriusXM plans, pricing, and billing](https://siriusxmradiohelpcenter.mintlify.app/account/plans-and-billing.md): Compare SiriusXM plans, billing cycles, payment methods, and how to update your card or view invoices in your account.
- [Change or cancel your SiriusXM subscription](https://siriusxmradiohelpcenter.mintlify.app/account/manage-subscription.md): Upgrade or downgrade your SiriusXM plan, add a radio, transfer service to a new vehicle, or pause and cancel your subscription.
- [Fix "No Signal", "Check Antenna", or missing channels](https://siriusxmradiohelpcenter.mintlify.app/troubleshooting/no-signal.md): Resolve SiriusXM "No Signal" and "Check Antenna" errors by moving to open sky, refreshing your signal, and checking your antenna connection and subscription status.
- [Fix SiriusXM app sign-in and playback problems](https://siriusxmradiohelpcenter.mintlify.app/troubleshooting/app-issues.md): Troubleshoot SiriusXM app issues including sign-in failures, password resets, buffering, playback stops, unavailable content, and app update steps.
- [SiriusXM frequently asked questions](https://siriusxmradiohelpcenter.mintlify.app/support/faq.md): Find quick answers to common SiriusXM questions about satellite radio, streaming, your Radio ID, plans, billing, and how to manage your subscription.


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